EX#3: A baker added enough chips to the dough so that only 1% of the cookies will contain no chips. How many chips must the baker include in a batch of 100 cookies to achieve this?

Q: In a factory, machine A can produce 230 fortune cookies in 5 minutes, while machine B can produce 20…

A: Unity law

Q: How can the mortality force be changed for the share of newborns who will survive the first year…

A: For yearly compounded,        P=P0 1+rnt   where,        n=1        and r=rate of changed…

Q: Hospital officials estimate that approximately N(p) = p²+5p+900 people will seek treatment in the…

A: Topic = Derivative As per guidelines , At a time only one question can be answered out of different…

Q: Suppose an Egyptian mummy is discovered in which the amount of​ carbon-14 present is only about…

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Q: An apple farm yields an average of 39 bushels of apples per tree when 21 trees are planted on an…

A: (1)  Given that, an apple farm yields an average of 39 bushels of apples per tree when 21 trees are…

Q: A certain type of bacteria has a doubling time of 25 minutes. If we start with a colony of 10, 000…

A: Formula for doubling time is as below : where, N0=initial value = 10000t = time td=doubling time =…

Q: A total of $27000 is invested, part of it at 12% and the rest at 13%. Thetotal interest after one…

A: Let $x was invested in 12% so (27000-x) was invested in 13% After one year interest from 12% account…

Q: Suppose that there are 50 scissors needed to be replenished at P25 each, and that each glue costs…

A: Total cost of scissors is, Number of scissors×cost of each scissor=50×25=1250

Q: suppose chad had 5000 to invest. if he invested 3000 at 5% interest at what rate would he have to…

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Q: A total of $6000 is invested, part of it at 4.25% and the rest at 5.75%. Thetotal interest after one…

A: Let $x was invested in 4.25% and (6000-x) in 5.75%  So the total interest earned is: 4.25% of x +…

Q: A bacteria population grows by 10% every 3 days. Based on this, if we initially have 2,000…

A: First of all we should know that the growth is exponential so formula will be: Nd = N0ekd where N0…

Q: Example 2: Rohan and Eli are hired by Baglole to mow his large yard. Working together, they can mow…

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Q: An investor invests 5000 dollars at 10% and the rest at 5%. How much was invested at 5% if the yield…

A: An investor invests 5000 dollars at 10%, which is one-fifth of the amount.

Q: A total of $50000 is invested, part of it at 5% and the rest at 7.5%. The totalinterest after one…

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Q: Tank A initially holds 100 gallons of brine that contains 150 pounds af salt, and tank B holds 100…

A: Tank A initially holds 100 gallons of brine that contains 150 pounds of salt.Tank B holds 100…

Q: This year there were 3,000 new births in a county, but new births are expected to grow at a rate of…

A: This year there were 3,000 new births in a county, but new births are expected to grow at a rate of…

Q: A total of $15000 is invested, part of it at 8% and the rest at 11%. The totalinterest after one…

A: We are given, a total of $15000 is invested. Let us assume that x be the part which is invested at…

Q: How long will it take P 12.00 to be 3 times its value if invested at the rate of 6%

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Q: At midnight, with the temperature inside your house at 21° C and the temperature outside at -6° C,…

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Q: A population of bacteria grows at a rate proportional to the number of bacteria at the time. There…

A: Given that:                      Bacteria growth rate is proportional to the number of bacteria at…

Q: 4. In a culture of yeast, the amount of active ferment grows at a rate proportional to the amount…

A: Let's work on the problem straight from the statement "the amount doubles in 1 hour": let the…

Q: A business wish to invest Gh 20,000 in two enterprises do that the total returns for the year would…

A: Let he invests Gh x in the first enterprise. So he invested Gh (20000-x) in the second    Total…

Q: Suppose that you currently own a clothes dryer that costs $30 per month to operate. A new efficient…

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Q: National park service personnel are trying to increase the size of the bison population of the…

A: National park service personnel are trying to increase the size of the bison population of the…

Q: town has a population of 14000 and grows at 3% every year. What will be the population after 6…

A: Population grows 3% every year    N0=14000    Formula used. N0    = Present Value of population r…

Q: The number of apples produced by each tree in an apple orchard depends on how densely the trees are…

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Q: The population of Weston is currently 7,000. But the population is shrinking according to the…

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Q: A mold population is growth at 8% every three months. If there is initially 3 cm3 of mold, when will…

A: Formula for population growth is  P=P0ert where P = final population after time t P0 = initial…

Q: You have $50,000 and wish to invest part at 10% and the rest at 6%. How much should be invested at…

A: You have $50,000 and wish to invest part at 10% and the rest at 6% To find: How much should be…

Q: Suppose chad has $5000 to invest. If he invest $3000 at 5% interest, at what rate must he invest the…

A: solution of the given problem is below...

Q: The half-life of a substance is 24 hours. About how many hours will it take for 6 grams to decay to…

A: SOLUTION

Q: A small metal bar, whose initial temperature was 20° C, is dropped into a large container of boiling…

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Q: a) a sample of iodine-131 has a weight of 3 mg and a half life of approximately 8 days.  how much of…

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Q: A bacteria has an initial population of 200. If after 2hrs, its population is 10 times the original…

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Q: The radiator car is filled with a solution of 65% antifreeze and 35% water. The manufacturer of the…

A: The capacity of the radiator is 3.9L.Let x be the amount of coolant to be drained.

Q: The population of a city is 89​,000. If the population grows continuously by 3.2​% per​ year, in how…

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Q: Assume that the ABC company has sales of 1950000 dollars and it's sales are growing at a rate of…

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Q: 2. At 1:00 Pm, a 850 C cup of milk is brought in a room with a temperature of 30°C. After 3 minutes,…

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Q: The number of water lilies at the lake is doubling each day. If they covered the whole lake in 24…

A: 23 days were needed to cover half of the lake.

Q: 1. Suppose a culture of 300 bacteria at BIO Farm is put into Petri dish and the culture doubles…

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Q: = diagram. 21 How much will Sam have to invest now in an F04.13 ployees' savings account at 7…

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Q: 2a. Assume that the world population is 6 billion people and that the birth rate is 2.25% and the…

A: Given thatworld population= 6 billionbirth rate = 2.25 %death rate = 1.25 %growth rate= birth…

Q: A 25-liter gas cylinder contains 80% oxygen and 20%   helium. If helium is added at a rate of 0.2…

A: The volume of cylinder =25 litre The percentage of oxygen in the cylinder initially=80% The amount…

Q: An apple farm yields an average of 41 bushels of apples per tree when 21 trees are planted on an…

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Q: A foundation invests $70,000 at simple interest, a part at 7%, twice that amount at 4%, and the rest…

A: Given, a foundation invests $70,000 at simple interest, a part at 7%, twice that amount at 4%, and…

Q: After 12 hours, half of a 16 gram sample of a radioactive element remains. Find the constant k for…

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Q: A takes 6 days less than the time taken by B to finish a piece of work . If both A and B together…

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Q: A radioactive substance is decaying according to the formula y = Be-0.02t , where y mg is the amount…

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Q: A total of $9000 is invested, part of it at 10% and the rest at 12%. The totalinterest after one…

A: